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Table 3 Summary of evidence of the associations between dietary patterns identified in the studies with perinatal anxiety and depression

From: Systematic review of the association between dietary patterns and perinatal anxiety and depression

Exposure Outcomes Participants (studies) Quality of evidence (GRADE) Evidence summary
Western pattern Prenatal depression 2.871 (4)
Very low due to number of studies, design and bias.
No association
Healthy pattern Prenatal depression 2.159 (3)
Very low due to number of studies, design and bias.
Negative association
Traditional Brazilian pattern Prenatal depression 960 (2) Inconclusive result
Traditional Japanese pattern Prenatal depression 1.744 (1)
Very low due to number of studies, design and bias.
Negative association
Western pattern Postpartum depression 2.821 (5)
Low because to heterogeneity
No association
Healthy pattern Postpartum depression 2.821 (5) Inconclusive result
Japanese traditional pattern Postpartum depression 865 (1)
Very low due to number of studies, design and bias.
No association
Traditional-Chinese-Confinement (TCC) pattern Postpartum depression 490 (1)
Very low due to number of studies, design and bias.
No association
Traditional-Indian-Confinement pattern Postpartum depression 490 (1)
Very low due to number of studies, design and bias.
Negative association
Western pattern Prenatal anxiety 10.242 (2) Inconclusive result
Healthy pattern Prenatal anxiety 9.530 (1)
Very low due to number of studies, design and bias.
Negative association
Traditional Brazilian pattern Prenatal anxiety 712 (1)
Very low due to number of studies, design and bias.
No association
United Kingdom’ Traditional pattern Prenatal anxiety 9.530 (1)
Very low due to number of studies, design and bias.
Negative association
Western pattern Postpartum anxiety 697 (2)
Very low due to number of studies, design and bias.
No association
Healthy pattern Postpartum anxiety 697 (2)
Very low due to number of studies, design and bias.
Negative association
Traditional Brazilian pattern Postpartum anxiety 207 (1)
Very low due to number of studies, design and bias.
Negative association
Traditional-Chinese-Confinement (TCC) pattern Postpartum anxiety 490 (1)
Very low due to number of studies, design and bias.
No association
Traditional-Indian-Confinement pattern Postpartum anxiety 490 (1)
Very low due to number of studies, design and bias.
No association